Charging device



FIG. 1 is a front view of a charging device;

FIG. 2 is a rear view of the charging device;

FIG. 3 is a top view of the charging device;

FIG. 4 is a bottom view of the charging device;

FIG. 5 is a left side view of the charging device;

FIG. 6 is a right side view of the charging device; and,

FIG. 7 is a front perspective view of the charging device. 

CLAIM The ornamental design for a charging device, as shown and described. 